HOGON ALT-PCB Online Sulfuric Acid & Hydrochloric Acid Analyzer for PCB Production Lines
| Brand | HOGON |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ALT-PCB |
| Pricing | Upon Request |
Overview
The HOGON ALT-PCB Online Sulfuric Acid & Hydrochloric Acid Analyzer is an industrial-grade, fully automated titration-based process analyzer engineered for continuous, unattended monitoring and control of sulfuric acid (H₂SO₄) and hydrochloric acid (HCl) concentrations in printed circuit board (PCB) electroplating and etching bath solutions. Operating on potentiometric and photometric endpoint detection principles, the system implements standardized titration methodologies—including acid-base, redox, complexometric, precipitation, and non-aqueous titrations—to deliver traceable, reproducible quantification of titratable acidity in real time. Designed to replace manual wet-chemistry sampling and offline lab analysis, the ALT-PCB integrates seamlessly into 24/7 production environments, enabling closed-loop chemical dosing via programmable peristaltic or solenoid dosing pumps. Its architecture complies with fundamental requirements for industrial process analytical technology (PAT), supporting Good Manufacturing Practice (GMP) and ISO 9001-aligned operational continuity.
Key Features
- Embedded ARM A8 processor with real-time multitasking OS for deterministic response timing and stable long-term operation
- 7-inch full-color capacitive touchscreen HMI with intuitive Chinese/English bilingual interface and configurable user access levels
- Dual high-precision burettes (±0.1% volumetric accuracy) with integrated electromagnetic switching valves and solvent-resistant precision syringe pumps
- Modular detection platform supporting interchangeable sensor heads: pH combination electrodes, dual-platinum redox electrodes, and high-resolution RGB colorimetric modules (±1.5 CIEDE2000 color difference)
- Automated sample handling sequence: timed auto-sampling from process lines, filtration (optional), temperature equilibration, reagent dosing, endpoint detection, post-analysis rinsing, and waste discharge
- Robust mechanical design rated for IP54 industrial enclosures; corrosion-resistant fluid path materials (PTFE, PEEK, borosilicate glass, 316L SS)
- Multi-protocol communication stack: RS-232, TCP/IP (Modbus TCP), and Modbus RTU over RS-485 for integration with DCS, SCADA, or MES systems
Sample Compatibility & Compliance
The ALT-PCB is validated for direct online analysis of acidic electrolyte baths used in PCB desmear, etch, and plating processes—typically containing 5–20% v/v H₂SO₄ or 5–15% w/w HCl, with dissolved metal ions (Cu²⁺, Sn²⁺, Fe³⁺), organic additives, and suspended particulates. Sample introduction employs pressure-regulated side-stream sampling with inline particulate filtration (5 µm) and optional thermostatic conditioning (25 ± 1 °C). The system adheres to ASTM D1127–20 (Standard Test Method for Total Acidity of Industrial Sulfuric Acid) and ISO 9223:2012 (Corrosivity classification of atmospheres) for measurement traceability. All data acquisition, calculation logs, and instrument event records comply with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) and support audit-ready electronic records under FDA 21 CFR Part 11 when deployed with validated software configuration and role-based electronic signatures.
Software & Data Management
The embedded ALT-PCB Control Suite provides full lifecycle method management: creation, versioning, and secure storage of titration protocols—including custom equivalence point algorithms, dynamic slope-based endpoint recognition, and multi-point calibration curves. Each analysis generates a structured XML report containing raw sensor traces, volume dispensed, calculated concentration (mol/L or g/L), confidence interval estimates, and timestamped metadata. Reports are automatically transmitted via FTP or MQTT to centralized SQL databases or cloud-based LIMS platforms. Audit trail functionality captures all operator actions, parameter changes, and system events with immutable timestamps and user IDs. Remote diagnostics, firmware updates, and method deployment are supported via secure TLS-encrypted web interface or dedicated engineering port.
Applications
- Real-time control of sulfuric acid concentration in copper sulfate plating baths to maintain consistent deposition rate and throwing power
- Monitoring HCl activity in tin-lead or lead-free etchant solutions to prevent under-etch or over-etch defects
- Automated replenishment of accelerator, suppressor, and leveler additives based on acid consumption kinetics
- Integration with MES for statistical process control (SPC) charting of bath stability indices (e.g., acid-to-copper ratio drift)
- Cross-application deployment in metal finishing, textile dyeing, pulp & paper bleaching, and wastewater neutralization control where strong acid titration is critical
FAQ
What titration methods does the ALT-PCB support?
It supports potentiometric (pH and redox), photometric (colorimetric), and hybrid endpoint detection for acid-base, redox, complexometric, precipitation, and non-aqueous titrations.
Can the system operate without human intervention for extended periods?
Yes—designed for 30-day unattended operation with scheduled self-calibration, automatic line flushing, and fault-tolerant error recovery routines.
Is the analyzer compliant with pharmaceutical or regulated manufacturing standards?
When configured with electronic signature, audit trail, and data integrity controls, it meets foundational requirements for GMP Annex 11 and ISO/IEC 17025 laboratory environment integration.
How is maintenance performed in corrosive production environments?
All wetted parts use chemically inert materials; consumables (electrodes, tubing, filters) follow predictable wear profiles with predictive replacement alerts generated by usage counters and performance drift analytics.
